Roof Insulation Shop
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Aerolite Insulation
Price range: R422.73 through R616.17 Ceiling Insulation Select options This product has multiple variants. The options may be chosen on the product pageBuy Aerolite® Soft Touch ceiling insulation in 50mm, 100mm and 135mm rolls. This SABS-marked, non-combustible glasswool insulation helps reduce summer heat gain, winter heat loss and noise through ceilings. Select a thickness to view the current roll price and coverage. Nationwide delivery is available, with professional installation in Cape Town and surrounding areas.
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135mm Aerolite Ceiling Insulation
Original price was: R606.28.R519.72Current price is: R519.72. Ceiling Insulation135mm Aerolite Ceiling Insulation is South Africa’s favourite and most trusted glasswool ceiling insulation. With a declared R-value of 3.38 and an installed R-value of 3.78, this 135mm Soft Touch roll delivers outstanding thermal and acoustic performance. Manufactured from high-quality glasswool, it is lightweight, flexible and easy to install. Each roll covers 6m² (5m x 1.2m) and provides excellent noise reduction with an NRC of 1.10. Non-combustible with an A/A 1/1 fire rating, it meets all SANS 10400-XA requirements. Perfect for new homes and retrofits across Johannesburg, Pretoria, Cape Town and beyond – offering major energy savings and superior comfort.
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Knauf Insulation
Price range: R949.53 through R1,081.58 Ceiling Insulation Select options This product has multiple variants. The options may be chosen on the product pageKnauf Insulation is a high-performance glass mineral wool ceiling insulation made with ECOSE® Technology. Available in 50mm, 75mm, 100mm and 135mm thicknesses, it provides dependable thermal and acoustic performance, an A1 non-combustible fire classification, and a soft-touch, low-dust binder with no added formaldehyde or phenol. Select a thickness to view the current Knauf insulation price, roll coverage and R-value. Western Cape delivery is available, with professional installation in Cape Town and surrounding areas.
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135mm Knauf Insulation
Original price was: R1,030.79.R806.25Current price is: R806.25. Ceiling Insulation135mm Knauf Ceiling Insulation is South Africa’s premium glass mineral wool solution for superior thermal and acoustic performance. With a lab R-value of 3.38 and an installed R-value of 3.78, this 135mm thick roll keeps homes cooler in summer and warmer in winter while slashing energy bills. Manufactured with innovative ECOSE® technology, it is soft to the touch, low-dust, and formaldehyde-free. Each roll covers 9m² (7.5m x 1.2m), features an A/A 1/1 fire rating and excellent NRC 1.13 noise reduction. Perfect for new builds or retrofits, it meets SANS 10400-XA requirements and delivers long-lasting comfort and soundproofing in any South African climate.
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Isotherm Insulation
Price range: R466.03 through R741.38 Ceiling Insulation Select options This product has multiple variants. The options may be chosen on the product pageIsotherm Insulation is a high-performance polyester ceiling insulation made from recycled PET fibres. Safe to handle, non-itch, and built for South African climates. Choose from 145mm, 135mm, 100mm, 75mm, or 50mm thicknesses to match your required R-value and achieve optimal energy savings. Reduces heat loss in winter and blocks heat in summer while lowering electricity costs year-round
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145mm Isotherm Ceiling Insulation
Original price was: R693.17.R608.57Current price is: R608.57. Ceiling Insulation145mm Isotherm Ceiling Insulation is South Africa’s premium soft-touch polyester ceiling insulation. With a declared R-value of 3.32 and an installed R-value of 3.72, this 145mm thick roll provides outstanding thermal performance. Manufactured from 100% recycled PET fibres, it is completely itch-free, dust-free, non-allergenic and formaldehyde-free – making installation safer and more comfortable than glasswool. Each roll covers 6m² (5m x 1.2m) and offers excellent slight noise reduction plus self-extinguishing fire safety. Fully SANS 10400-XA compliant, it is ideal for new builds, retrofits and all South African climates, delivering major energy savings and year-round comfort.
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7mm Gypsum Ceiling Boards 3000mm
Original price was: R228.31.R194.40Current price is: R194.40.per board Ceiling BoardsBEAM RG 7mm gypsum ceiling boards in 3000mm lengths provide a practical starting point for interior ceiling projects. Choose these regular gypsum boards for a specified ceiling system in dry indoor spaces, with framing and finishes selected to match the board thickness.
- Thickness: 7mm
- Length: 3000mm / 3 metres
- Product: BEAM RG regular gypsum board
- Planning support: Board quantities, ceiling insulation and project quotations
Send us your room measurements and delivery location for a quotation. Browse our ceiling boards to explore the wider range.
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9.5mm Gypsum Ceiling Board – 3000mm
Original price was: R228.43.R216.00Current price is: R216.00.per board Ceiling BoardsBuy BEAM RG 9.5mm gypsum ceiling boards in 3000mm lengths from Roof Insulations for interior ceiling projects. Part of BEAM’s regular plasterboard range, these boards suit ceiling designs that specify a 9.5mm lining, with compatible framing, jointing materials and a painted finish.
- Thickness: 9.5mm
- Length: 3000mm / 3 metres
- Range: BEAM Gboard RG regular gypsum board
- Project support: Quantity estimates, insulation advice and quotations
Send your board schedule or room measurements for pricing. Request a ceiling board quotation, including your delivery location and required installation date.
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12.5mm Gypsum Ceiling Boards 3000mm: BEAM
Original price was: R295.61.R269.61Current price is: R269.61.per board Ceiling BoardsOrder BEAM RG 12.5mm gypsum ceiling boards in 3000mm lengths from Roof Insulations. These regular plasterboards provide the lining for interior ceiling designs that specify a 12.5mm board, ready for the appropriate joint treatment and decorative finish.
- Thickness: 12.5mm
- Length: 3000mm / 3 metres
- Product range: BEAM Gboard RG regular gypsum board
- Project assistance: Board quantities, ceiling insulation and quotations
Send us your material schedule or room measurements and delivery location. Request a quotation for your ceiling materials before finalising the order.
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Isoboard Ceilings Price List
Price range: R151.37 through R1,035.00per board Ceilings Select options This product has multiple variants. The options may be chosen on the product pageRigid Isoboard ceiling insulation panels are designed for maximum thermal performance and long-term energy savings. Available in 30mm, 40mm, 50mm and 80mm thicknesses. Lightweight, moisture-resistant and easy to install for homes, offices and commercial buildings. Ideal for ceilings that need strong insulation with minimal thickness.
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30mm Isoboard Ceiling Boards
R128.96per board Ceilings30mm Isoboard Ceiling Boards are South Africa’s premium rigid XPS ceiling insulation solution. These high-density extruded polystyrene boards combine excellent thermal performance (R-value 1.14) with structural strength, creating a finished ceiling in one easy step. Tongue-and-groove edges ensure seamless installation, while the closed-cell structure provides zero moisture absorption and long-term durability. Available in lengths up to 8 m and 600 mm wide, they are perfect for nail-up ceilings, suspended systems or retrofits. Self-extinguishing and SANS-compliant, 30mm Isoboard Ceiling Boards deliver energy savings, stable indoor temperatures and a modern, paintable finish without sagging or maintenance.
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40mm Isoboard Ceiling Boards
R171.92per board Ceilings40mm Isoboard Ceiling Boards are South Africa’s premium rigid XPS ceiling insulation solution. These high-density extruded polystyrene boards combine excellent thermal performance (R-value 1.52) with structural strength, creating a finished ceiling in one easy step. Tongue-and-groove edges ensure seamless installation, while the closed-cell structure provides zero moisture absorption and long-term durability. Available in lengths up to 8 m and 600 mm wide, they are perfect for nail-up ceilings, suspended systems or retrofits. Self-extinguishing and SANS-compliant, 40mm Isoboard Ceiling Boards deliver enhanced energy savings, stable indoor temperatures and a modern, paintable finish without sagging or maintenance.
